Hystrichosphaeridium polonicum

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"polonicum" Górka, 1965, p.306-307, pl.3, figs.5-6.  Emendations: Erkmen and Sarjeant, 1980, p.68, as Compositosphaeridium polonicum; Courtinat, 1989, p.164, as Compositosphaeridium polonicum - however, see Stancliffe and Sarjeant (1990, p.203).  Holotype: Górka, 1965, pl.3, fig.5.  NOW Compositosphaeridium? Dodekova.  Originally Hystrichosphaeridium, subsequently Compositosphaeridium Erkmen and Sarjeant (combination illegitimate), thirdly Compositosphaeridium Dodekova, fourthly (and now) Compositosphaeridium? Dodekova.  Taxonomic junior synonyms: Hystrichosphaeridium (subsequently Compositosphaeridium) costatum, according to Beju (1971, p.292); Compositosphaeridium bulgaricum, according to Dodekova (1990, p.9) - however, Stancliffe and Sarjeant (1990, p.203) retained Compositosphaeridium bulgaricum and Masure in Fauconnier and Masure (2004, p.137) retained Compositosphaeridium costatum.  Age: Oxfordian.

Parent: Hystrichosphaeridium